Caterpillars

<p>Measurements on a sample of Manduca Sexta caterpillars</p>

datasets

Provides datasets for the textbook Stat2: Modeling
with Regression and ANOVA (second edition). Also includes
datasets from the first edition, Stat2: Building Models for
a World of Data, and functions for plotting diagnostic
graphics.

Robin Lock

Stat2Data

Datasets for Stat2

Ann Cannon

Bradley Hartlaub

Allan Rossman

Jeffrey Witmer

Caterpillars function

<p>A data frame with 267 observations on the following 18 variables.</p><table class="table">
<tr><td><code>Instar</code></td><td>Coded from 1 (smallest) to 5 (largest) indicating stage of the caterpillar's life</td></tr>
<tr><td><code>ActiveFeeding</code></td><td>Indicator (<code>Y</code> or <code>N</code>) of whether or not the animal is actively feeding</td></tr>
<tr><td><code>Fgp</code></td><td>Indicator (<code>Y</code> or <code>N</code>) of whether or not the animal is in a free growth period</td></tr>
<tr><td><code>Mgp</code></td><td>Indicator (<code>Y</code> or <code>N</code>) of whether or not the animal is in a maximum growth period</td></tr>
<tr><td><code>Mass</code></td><td>Body mass (in grams)</td></tr>
<tr><td><code>LogMass</code></td><td>Log (base 10) of body mass</td></tr>
<tr><td><code>Intake</code></td><td>Wet food intake (in grams/day)</td></tr>
<tr><td><code>LogIntake</code></td><td>Log (base 10) of Intake</td></tr>
<tr><td><code>WetFrass</code></td><td>Amount of frass (solid waste) produced (in grams/day)</td></tr>
<tr><td><code>LogWetFrass</code></td><td>Log (base 10) of WetFrass</td></tr>
<tr><td><code>DryFrass</code></td><td>Amount of frass, after drying, produced (in grams/day)</td></tr>
<tr><td><code>LogDryFrass</code></td><td>Log (base 10) of DryFrass</td></tr>
<tr><td><code>Cassim</code></td><td>CO2 assimilation (ingestion - excretion)</td></tr>
<tr><td><code>LogCassim</code></td><td>Log (base 10) of Cassim</td></tr>
<tr><td><code>Nfrass</code></td><td>Nitrogen in frass</td></tr>
<tr><td><code>LogNfrass</code></td><td>Log (base 10) of Nfrass</td></tr>
<tr><td><code>Nassim</code></td><td>Nitrogen assimilation (ingestion - excretion)</td></tr>
<tr><td><code>LogNassim</code></td><td>Log (base 10) of Nassim</td></tr>
</table><p></p><p></p>

Format

Measurements of Manduca Sexta Caterpillars — Caterpillars

<p>A data frame with 267 observations on the following 18 variables.</p><table class='table'>
<tr><td><code>Instar</code></td><td>Coded from 1 (smallest) to 5 (largest) indicating stage of the caterpillar's life</td></tr>
<tr><td><code>ActiveFeeding</code></td><td>Indicator (<code>Y</code> or <code>N</code>) of whether or not the animal is actively feeding</td></tr>
<tr><td><code>Fgp</code></td><td>Indicator (<code>Y</code> or <code>N</code>) of whether or not the animal is in a free growth period</td></tr>
<tr><td><code>Mgp</code></td><td>Indicator (<code>Y</code> or <code>N</code>) of whether or not the animal is in a maximum growth period</td></tr>
<tr><td><code>Mass</code></td><td>Body mass (in grams)</td></tr>
<tr><td><code>LogMass</code></td><td>Log (base 10) of body mass</td></tr>
<tr><td><code>Intake</code></td><td>Wet food intake (in grams/day)</td></tr>
<tr><td><code>LogIntake</code></td><td>Log (base 10) of Intake</td></tr>
<tr><td><code>WetFrass</code></td><td>Amount of frass (solid waste) produced (in grams/day)</td></tr>
<tr><td><code>LogWetFrass</code></td><td>Log (base 10) of WetFrass</td></tr>
<tr><td><code>DryFrass</code></td><td>Amount of frass, after drying, produced (in grams/day)</td></tr>
<tr><td><code>LogDryFrass</code></td><td>Log (base 10) of DryFrass</td></tr>
<tr><td><code>Cassim</code></td><td>CO2 assimilation (ingestion - excretion)</td></tr>
<tr><td><code>LogCassim</code></td><td>Log (base 10) of Cassim</td></tr>
<tr><td><code>Nfrass</code></td><td>Nitrogen in frass</td></tr>
<tr><td><code>LogNfrass</code></td><td>Log (base 10) of Nfrass</td></tr>
<tr><td><code>Nassim</code></td><td>Nitrogen assimilation (ingestion - excretion)</td></tr>
<tr><td><code>LogNassim</code></td><td>Log (base 10) of Nassim</td></tr>
</table>



`Instar`	Coded from 1 (smallest) to 5 (largest) indicating stage of the caterpillar's life
`ActiveFeeding`	Indicator (`Y` or `N`) of whether or not the animal is actively feeding
`Fgp`	Indicator (`Y` or `N`) of whether or not the animal is in a free growth period
`Mgp`	Indicator (`Y` or `N`) of whether or not the animal is in a maximum growth period
`Mass`	Body mass (in grams)
`LogMass`	Log (base 10) of body mass
`Intake`	Wet food intake (in grams/day)
`LogIntake`	Log (base 10) of Intake
`WetFrass`	Amount of frass (solid waste) produced (in grams/day)
`LogWetFrass`	Log (base 10) of WetFrass
`DryFrass`	Amount of frass, after drying, produced (in grams/day)
`LogDryFrass`	Log (base 10) of DryFrass
`Cassim`	CO2 assimilation (ingestion - excretion)
`LogCassim`	Log (base 10) of Cassim
`Nfrass`	Nitrogen in frass
`LogNfrass`	Log (base 10) of Nfrass
`Nassim`	Nitrogen assimilation (ingestion - excretion)
`LogNassim`	Log (base 10) of Nassim

Caterpillars: Measurements of Manduca Sexta Caterpillars

Description

Arguments

Format

Details